Update Dockerfile

Dockerfile

@@ -1,38 +1,19 @@
 # read the doc: https://huggingface.co/docs/hub/spaces-sdks-docker
+FROM ubuntu:kinetic
 
-FROM rocker/shiny
+# Doesn't usually have an "upgrade"
+RUN apt-get update \
+ && DEBIAN_FRONTEND=noninteractive \
+    apt-get install --no-install-recommends --assume-yes \
+	  build-essential \
+      python3 \
+	  python3-dev \
+      python3-pip
 
-RUN useradd -m -u 1000 user
+RUN pip install -r shiny
 
-COPY shiny-server.conf /etc/shiny-server/shiny-server.conf
+ENTRYPOINT ["/bin/sh", "-c"]
 
-RUN apt-get update && apt-get install -y \
-    --no-install-recommends \
-    git-core \
-    libssl-dev \
-    libcurl4-gnutls-dev \
-    curl \
-    libsodium-dev \
-    libxml2-dev \
-    libicu-dev \
-    && apt-get clean \
-    && rm -rf /var/lib/apt/lists/*
-    
-# COPY app.R /srv/shiny-server/app.R
+EXPOSE 7860
 
-RUN chown -R user /var/lib/shiny-server/
-RUN chown -R user /var/log/shiny-server/
-RUN chown -R user /srv/shiny-server/
-RUN chown -R user /opt/shiny-server/
-RUN chown -R user /etc/shiny-server/
-RUN chown -R user /usr/local/lib/R/
-
-USER user
-
-RUN R -e "install.packages('shiny',dependencies=TRUE, repos='http://cran.rstudio.com/')"
-
-ENV _R_SHLIB_STRIP_=true
-
-EXPOSE 3838
-
-CMD ["/usr/bin/shiny-server"]
+CMD ["shiny run --port 7860 --host 0.0.0.0"]